油松、白皮松和青木千花粉营养成分的研究
支崇远 王开发
A Study on Nutrient Components of Pollen Grains of Pinus tabulaeformis, Pinus bungeana and Picea wilsonii
ZHI Chong-Yuan WANG Kai-Fa
植物学报 . 2001, (05): 627 -630 .